4-Methoxyazobenzene

Name: 4-Methoxyazobenzene
Brand: Vaqora Chemicals
SKU: VQ-009809

About 4-Methoxyazobenzene

Vaqora Chemicals supplies 4-Methoxyazobenzene, a nitrogen-functional building block registered under CAS number 2396-60-3 with a typical assay of ≥99%. With the molecular formula C13H12N2O, it has a molar mass of 212.25 g/mol. Systematically, it is named (4-methoxyphenyl)-phenyldiazene. It is also known as 4-Phenylazoanisole or 1-(4-Methoxyphenyl)-2-phenyldiazene.

It is supplied as light yellow to brown powder or crystals. Literature values give a melting point of 54-58 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, dye and pigment intermediates, heterocycle construction and analytical determinations. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 1 g, 5 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Dye & pigment intermediates
Heterocycle construction
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Methoxyazobenzene
Catalogue No.	VQ-009809
CAS Number	2396-60-3
IUPAC name	(4-methoxyphenyl)-phenyldiazene
Molecular formula	C₁₃H₁₂N₂O
Molecular weight	212.25 g/mol
Exact mass	212.095
Purity / assay	≥99%
HSN code	29270090
InChIKey	LGCRPKOHRIXSEG-UHFFFAOYSA-N
SMILES	COC1=CC=C(C=C1)N=NC2=CC=CC=C2
PubChem CID	16966

Physical properties
Physical form	Crystalline
Appearance	Light yellow to brown powder or crystals
Melting point	54-58 °C
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 3
TPSA	34 Å²
Synonyms	4-Phenylazoanisole, 1-(4-Methoxyphenyl)-2-phenyldiazene, p-Methoxyazobenzene, (Z)-4-Methoxyazobenzene, Azobenzene, 4-methoxy-, p-Phenylazoanisole, Diazene, (4-methoxyphenyl)phenyl-, (E)-1-(4-Methoxyphenyl)-2-phenyldiazene, Diazene, (4-methoxyphenyl)phenyl-, (E)-, (E)-(4-methoxyphenyl)(phenyl)diazene, Azobenzene, 4-methoxy-, (E)-, 1-(4-Methoxyphenyl)-2-phenyldiazene #

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Methoxyazobenzene?

The CAS Registry Number of 4-Methoxyazobenzene is 2396-60-3. It is also known as 4-Phenylazoanisole, 1-(4-Methoxyphenyl)-2-phenyldiazene, p-Methoxyazobenzene.

What is the molecular formula and molecular weight of 4-Methoxyazobenzene?

4-Methoxyazobenzene has the molecular formula C13H12N2O and a molecular weight of 212.25 g/mol. Its IUPAC name is (4-methoxyphenyl)-phenyldiazene.

Which grade and pack sizes of 4-Methoxyazobenzene can I order?

We supply 4-Methoxyazobenzene in (≥99%) grade, in 1 g, 5 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Methoxyazobenzene?

Yes. Every lot of 4-Methoxyazobenzene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Methoxyazobenzene be shipped internationally?

Yes. 4-Methoxyazobenzene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.